Ring-Opening Diarylation of Siloxydifluorocyclopropanes by Ag(I) Catalysis: Stereoselective Construction of 2-Fluoroallylic Scaffold
作者:Xiaoning Song、Cong Xu、Dongxu Du、Ziming Zhao、Dongsheng Zhu、Mang Wang
DOI:10.1021/acs.orglett.7b03254
日期:2017.12.15
A silver-catalyzed, defluorination ring-opening diarylation of siloxy 2,2-difluorocyclopropanes, with two arenes, to directly prepare polysubstituted 2-fluoroallylic compounds, is described. This multicomponent reaction proceeds smoothly in good stereoselectivity, which is due to a chelation-controlled addition of arenes to α-fluorinated ketone intermediate.
描述了银氧化的甲硅烷氧基2,2-二氟环丙烷与两个芳烃的脱氟开环二芳基化反应,以直接制备多取代的2-氟代烯丙基化合物。该多组分反应以良好的立体选择性顺利进行,这是由于芳烃向α-氟化酮中间体的螯合控制添加。